EDSAC

EDSAC (Electronic Delay Storage Automatic Calculator) was an early British computer. The machine, having been inspired by John von Neumann's seminal EDVAC report, was constructed by Maurice Wilkes and his team at the University of Cambridge Mathematical Laboratory in England. The project was supported by J. Lyons & Co. Ltd., a British firm, who were rewarded with the first commercially applied computer, LEO I, based on the EDSAC design. It ran its first programs on May 6, 1949, calculating a table of squares and a list of prime numbers.

EDSAC I

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